X-ray magnetic linear dichroism of Fe-Ni alloys on Cu(111)

T. F. Johnson; S. Chiang; Y. Sato; D. A. Arena; S. A. Morton; M. Hochstrasser; J. G. Tobin; J. D. Shine; J. A. Giacomo; G. E. Thayer; D. P. Land; X. D. Zhu

X-ray magnetic linear dichroism of Fe-Ni alloys on Cu(111)

T. F. Johnson, S. Chiang, Y. Sato, D. A. Arena, S. A. Morton, M. Hochstrasser, J. G. Tobin, J. D. Shine, J. A. Giacomo, G. E. Thayer, D. P. Land, X. D. Zhu

Physics, Applied Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

We have prepared Fe _xNi _1-x multilayers on Cu(111) in order to learn how to control the structure and magnetism of these thin alloy films, which are relevant to the giant magnetoresistance (GMR) effect used in magnetic disk drive heads. Using the Spectromicroscopy Facility (7.0.1.2) on Undulator Beamline 7.0 at the Advanced Light Source, we have measured X-ray magnetic linear dichroism (XMLD) signals from both Fe and Ni 3p lines for fourteen different thin Ni-Fe alloy films on Cu(111), with Fe concentration ranging from 9% to 84% and for a variety of film thicknesses. The Curie temperature for all of these samples was in the range 200K to 500K. For many of these films, the Curie temperature was considerably lower than was previously seen for similar films deposited on Cu(100). For a particular Fe concentration x, the Curie temperature increases with alloy film thickness. For a specific film thickness, the Curie temperature has a maximum near x≈0.4.

Original language	English (US)
Title of host publication	Materials Research Society Symposium - Proceedings
Editors	H Borg, K Bussmann, W Egelhoff JR, L Hesselink, S Majetich
Volume	674
State	Published - 2001
Event	Applications of Ferromagnetic and Optical Materials, Storage and Magnotoelectronics - San Francisco, CA, United States Duration: Apr 16 2001 → Apr 20 2001

Other

Other	Applications of Ferromagnetic and Optical Materials, Storage and Magnotoelectronics
Country	United States
City	San Francisco, CA
Period	4/16/01 → 4/20/01

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

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Johnson, T. F., Chiang, S., Sato, Y., Arena, D. A., Morton, S. A., Hochstrasser, M., Tobin, J. G., Shine, J. D., Giacomo, J. A., Thayer, G. E., Land, D. P., & Zhu, X. D. (2001). X-ray magnetic linear dichroism of Fe-Ni alloys on Cu(111). In H. Borg, K. Bussmann, W. Egelhoff JR, L. Hesselink, & S. Majetich (Eds.), Materials Research Society Symposium - Proceedings (Vol. 674)

X-ray magnetic linear dichroism of Fe-Ni alloys on Cu(111). / Johnson, T. F.; Chiang, S.; Sato, Y.; Arena, D. A.; Morton, S. A.; Hochstrasser, M.; Tobin, J. G.; Shine, J. D.; Giacomo, J. A.; Thayer, G. E.; Land, D. P.; Zhu, X. D.

Materials Research Society Symposium - Proceedings. ed. / H Borg; K Bussmann; W Egelhoff JR; L Hesselink; S Majetich. Vol. 674 2001.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Johnson, TF, Chiang, S, Sato, Y, Arena, DA, Morton, SA, Hochstrasser, M, Tobin, JG, Shine, JD, Giacomo, JA, Thayer, GE, Land, DP & Zhu, XD 2001, X-ray magnetic linear dichroism of Fe-Ni alloys on Cu(111). in H Borg, K Bussmann, W Egelhoff JR, L Hesselink & S Majetich (eds), Materials Research Society Symposium - Proceedings. vol. 674, Applications of Ferromagnetic and Optical Materials, Storage and Magnotoelectronics, San Francisco, CA, United States, 4/16/01.

Johnson, T. F. ; Chiang, S. ; Sato, Y. ; Arena, D. A. ; Morton, S. A. ; Hochstrasser, M. ; Tobin, J. G. ; Shine, J. D. ; Giacomo, J. A. ; Thayer, G. E. ; Land, D. P. ; Zhu, X. D. / X-ray magnetic linear dichroism of Fe-Ni alloys on Cu(111). Materials Research Society Symposium - Proceedings. editor / H Borg ; K Bussmann ; W Egelhoff JR ; L Hesselink ; S Majetich. Vol. 674 2001.

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abstract = "We have prepared Fe xNi 1-x multilayers on Cu(111) in order to learn how to control the structure and magnetism of these thin alloy films, which are relevant to the giant magnetoresistance (GMR) effect used in magnetic disk drive heads. Using the Spectromicroscopy Facility (7.0.1.2) on Undulator Beamline 7.0 at the Advanced Light Source, we have measured X-ray magnetic linear dichroism (XMLD) signals from both Fe and Ni 3p lines for fourteen different thin Ni-Fe alloy films on Cu(111), with Fe concentration ranging from 9% to 84% and for a variety of film thicknesses. The Curie temperature for all of these samples was in the range 200K to 500K. For many of these films, the Curie temperature was considerably lower than was previously seen for similar films deposited on Cu(100). For a particular Fe concentration x, the Curie temperature increases with alloy film thickness. For a specific film thickness, the Curie temperature has a maximum near x≈0.4. ",

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AU - Morton, S. A.

AU - Hochstrasser, M.

AU - Tobin, J. G.

AU - Shine, J. D.

AU - Giacomo, J. A.

AU - Thayer, G. E.

AU - Land, D. P.

AU - Zhu, X. D.

PY - 2001

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N2 - We have prepared Fe xNi 1-x multilayers on Cu(111) in order to learn how to control the structure and magnetism of these thin alloy films, which are relevant to the giant magnetoresistance (GMR) effect used in magnetic disk drive heads. Using the Spectromicroscopy Facility (7.0.1.2) on Undulator Beamline 7.0 at the Advanced Light Source, we have measured X-ray magnetic linear dichroism (XMLD) signals from both Fe and Ni 3p lines for fourteen different thin Ni-Fe alloy films on Cu(111), with Fe concentration ranging from 9% to 84% and for a variety of film thicknesses. The Curie temperature for all of these samples was in the range 200K to 500K. For many of these films, the Curie temperature was considerably lower than was previously seen for similar films deposited on Cu(100). For a particular Fe concentration x, the Curie temperature increases with alloy film thickness. For a specific film thickness, the Curie temperature has a maximum near x≈0.4.

AB - We have prepared Fe xNi 1-x multilayers on Cu(111) in order to learn how to control the structure and magnetism of these thin alloy films, which are relevant to the giant magnetoresistance (GMR) effect used in magnetic disk drive heads. Using the Spectromicroscopy Facility (7.0.1.2) on Undulator Beamline 7.0 at the Advanced Light Source, we have measured X-ray magnetic linear dichroism (XMLD) signals from both Fe and Ni 3p lines for fourteen different thin Ni-Fe alloy films on Cu(111), with Fe concentration ranging from 9% to 84% and for a variety of film thicknesses. The Curie temperature for all of these samples was in the range 200K to 500K. For many of these films, the Curie temperature was considerably lower than was previously seen for similar films deposited on Cu(100). For a particular Fe concentration x, the Curie temperature increases with alloy film thickness. For a specific film thickness, the Curie temperature has a maximum near x≈0.4.

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